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Fuel System
Top off your fuel tanks with No.2 diesel fuel. Fuel additives should be added at this time to control algae
and condition the fuel. Care should be taken that the additives used are compatible with the primary
filter/water separator used in the system. Change the element in your primary fuel filter/water separator,
if the fuel system contains one, and clean the separator sediment howl.
Change the fuel filter element on the engine and bleed the fuel system, as needed. Start the engine and
allow it to run for 5 - 10 minutes to make sure no air is left in the fuel system. Check for any leaks that
may have been created in the fuel system during this servicing, correcting them as needed.
Sea Water Circuit
Close the through-hull sea cock. Remove the raw water intake hose from the sea cock. Place the end of
this hose into a 5-gallon bucket of clean fresh water. Before starting the engine, check the zinc anode
found in the primary heat exchanger on the engine and clean or replace it as required, and also clean any
zinc debris from inside the heat exchanger where the zinc anode is located. Clean the raw water strainer,
if one is installed, in the inside of the hull.
Start the engine and allow the raw water pump to draw fresh water through the system. When the bucket
is empty, stop the engine and refill the bucket with an antifreeze solution slightly stronger than needed for
winter freeze protection in your area.
Start the engine and allow all of this mixture to be drawn through the raw water system. Once the bucket
is empty, stop the engine. This antifreeze mil,:ture should protect the raw water circuit from freezing
during the winter lay-up, as well as providing corrosion protection.
Remove the impeller from your raw water pump (some antifreeze mil,iure will accompany it, so catch it in
a bucket). Examine the impeller. Acquire a replacement, if needed, and a cover gasket. Do not replace
the impeller (into the pump) until recommissioning, but replace the cover and gasket.
Intake Manifold and Through-Hull Exhaust
Place a clean cloth, lightly soaked in lubricating oil, in the opening of the intake manifold to block the
opening. Do not shove the cloth out of sight. (If it is not visible at recommissioning, and an attempt is
made to start the engine, you may need the assistance of a servicing dealer.) Make a note to remove the
cloth prior to start-up. The through-hull exhaust port can be blocked in the same manner.
Generator End
Remove the louvered cover on the generator end. Check all wire connections on the AC terminal block
and those running to the capacitor(s) and the bridge rectifier making sure they are secure. Should these
connections appear corroded, they should be removed, cleaned, and reconnected. Make sure all AC leads
are properly cleaned and reconnected. Make sure all AC leads are properly supported and not chafing as
they exit the generator housing.
71
WESTERBEKE GENERATORS
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